Series 642
INSTALLATION
605593EC
Edition 2017-11-24
63/113
4.8.4
Explicit messaging inquiry commands
Command
(DeviceNet
®
term
if deviant)
Service Code
Class ID
Instance ID
Attribute ID
Service
data length
(number of bytes)
Service
data field
Description
VALVE CLOSED
CHECK
(discrete input 1)
Get
14
8
1
3
1
This command returns:
0
valve is not closed
1
valve is closed
VALVE
OPEN CHECK
(discrete input 2)
Get
14
8
2
3
1
This command returns:
0
valve is not open
1
valve is open
POSITION
Get
14
49
3
6
2 or 4
This command returns the current valve position according to selected DATA TYPE.
Position range is 0 (closed) … 10’000 (open).
PRESSURE
Get
14
49
1
6
2 or 4
This command returns the actual pressure according to selected DATA TYPE. Nominal
pressure range is 0 … 10’000 (sensor full scale) but it may be scaled. Refer also to
command GAIN and picture on the following page for details.
SENSOR 1 READING
Get
14
100
1
108
2 or 4
This function returns direct reading from sensor 1 according to selected DATA TYPE.
Nominal range is 0 … 10’000 but it may be scaled. Refer also to command GAIN and
picture on the following page for details.
SENSOR 2 READING
Get
14
100
1
109
2 or 4
This function returns direct reading from sensor 2 according to selected DATA TYPE.
Nominal range is 0 … 10’000 but it may be scaled. Refer also to command GAIN and
picture on the following page for details.
SENSOR 1 OFFSET
VALUE
(Sensor 1 offset A)
Get
14
49
1
12
2 or 4
100
1
110
These commands return the offset voltage (adjusted by ZERO) of the sensor 1 according to
selected DATA TYPE. Both commands are identical.
Value range is -1400 … +1400 (-1.40V … +1.40V).
SENSOR 2 OFFSET
VALUE
(Sensor 2 offset A)
Get
14
100
1
111
2 or 4
This command returns the offset voltage (adjusted by ZERO) of the sensor 2 according to
selected DATA TYPE.
Value range is -1400 … +1400 (-1.40V … +1.40V).
Unless otherwise specified all values in the table above are in decimal notification. Hexadecimal values
are indicated by the letter ‘h‘ (e.g. 31h)
